Is Proton Pass Safe?
Proton Pass — Nerq Trust Score 63.8/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-07-16.
Use Proton Pass with some caution. Proton Pass is a password manager with a Nerq Trust Score of 63.8/100 (C+), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 90/100. Data sourced from multiple public sources including package registries, GitHub, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-04-01. Machine-readable data (JSON).
Is Proton Pass safe?
CAUTION — Proton Pass has a Nerq Trust Score of 63.8/100 (C+). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Proton Pass's trust score?
Proton Pass has a Nerq Trust Score of 63.8/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Proton Pass?
Proton Pass's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Proton Pass and who maintains it?
| Author | Unknown |
| Category | Password Managers |
| Stars | 1,500 |
| Source | N/A |
Security Assessment
Breach History
Proton Pass has no known data breaches and has been independently audited.
Encryption
Proton Pass uses AES-256-GCM (authenticated encryption), Argon2 (key derivation), SRP (zero-knowledge authentication).
Zero-Knowledge Architecture
Proton Pass uses a zero-knowledge architecture — your master password and vault data are encrypted locally and never sent to the server in plaintext.
Open Source
Proton Pass is open source with 1,500 GitHub stars.
Based in Switzerland. Independently audited.
Proton Pass Across Platforms
Same developer/company in other registries:
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Safety Guide: Proton Pass
What is Proton Pass?
Proton Pass is a password manager — Proton Pass by Proton AG, Geneva, Switzerland. Protected by Swiss privacy laws. Open source on GitHub. End-to-end encryption with bcrypt and SRP. Integrated with Proton ecosystem (ProtonMail, ProtonVP.
How to Verify Safety
Check breach history. Verify encryption standard. Review independent audit status.
You can also check the trust score via API: GET /v1/preflight?target=Proton Pass
Key Safety Concerns for password manager
When evaluating any password manager, watch for: breach history, encryption standard, audit status, jurisdiction.
Trust Assessment
Proton Pass has a Nerq Trust Score of 64/100 (C+) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Proton Pass has a Trust Score of 64/100 (C+).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.